Performance should have imported bearing materials after heat treatment

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Contact fatigue damage is the main form of imported bearings normal damage. Rolling bearing operation, the rolling element imported bearing outer ring raceway scroll the contact part of the bear cycle alternating load, more th an those of up to hundreds of thousands of times per minute, in periodic alternating stress repeated contact Surface fatigue spalling. Rolling bearings began peeling it will give rise to the imports of bearing vibration, noise increases to working temperature rose sharply, resulting in the final damage of imported bearings, a form of corruption known as contact fatigue damage. Therefore, the imported bearings Rolling steel should have high contact fatigue strength.thin bearing
Rolling bearing normal working hours, in addition to rolling friction occurs, accompanied by sliding friction. The occurrence of sliding friction main parts: contact surface between the contact surface between the rolling element and the raceway, the rolling elements and the cage pocket hole, the holder and the ferrule guide ribs as well as between the roller end surface of the ferrule guide etc. between the ribs. The presence of imported be arings Rolling in sliding friction inevitably imported bearing parts wear. If the wear resistance of the bearing steel, Rolling will wear prematurely bearing vibration loss of accuracy or leaving imports decline in rotation accuracy increased to reduce life expectancy. Therefore, require the imported bearing steel with high wear resistance.tool bearings
Rolling bearing on the basic requirements of the material depends largely on the performance of the imported bearings. Manufacture of rolling bearings material is appropriate, will have a great impact on its performance and life. Under normal circumstances, the rolling bearing failure modes under alternating stress fatigue spalling, the imported bearings as well as due to the loss of friction and wear so imported bearings precision. In addition, there are cracks, indentation, rust and other reasons caused by the imported bearings abnormal destruction. Theref ore, the rolling bearing should have a high resistance to plastic deformation, less friction and wear, good rotation accuracy, good dimensional accuracy and stability, and long contact fatigue life.roller bearing co